Yes, I mean make it an empty string. I'll send an updated patch.

Michael, is there still another issue I should solve if I make that change? Thanks for all your help trying to get this figured out!

On Tue, Mar 3, 2015 at 10:36 AM, Eli Zaretskii <eliz@gnu.org> wrote:

> Date: Tue, 3 Mar 2015 10:22:39 -0800
> From: Pete Williamson <petewil@google.com>
> Cc: Michal Nazarewicz <mina86@mina86.com>, emacs-devel@gnu.org
>
> So to solve my porting problem for NaCl, would it be best if I just did a
> system check for NaCl, and if it is the current system, then clear the
> "init-file-user" string?

If by "clear" you mean make it an empty string, then yes, I think
that's what you should do.